Find whether the following pair of linear equation has a unique solution, no solution
or infinitely many solutions.
2x-3y =2; x+2y=8.
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Answer:
they have a unique solution
a1=2 b1=-3 c1=2
a2=1 b2=2 c2=8
a1/a2 = 2/1
b1/b2= -3/2
therefore a1/a2≠b1/b2
hence it has unique solution
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